./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.03.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.03.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bad4bd14ff0d6303c86b61698001b4d4d1f47b3200dad5c7d05f11b8899f8627 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:35:03,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:35:03,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:35:03,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:35:03,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:35:03,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:35:03,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:35:03,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:35:03,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:35:03,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:35:03,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:35:03,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:35:03,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:35:03,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:35:03,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:35:03,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:35:03,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:35:03,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:35:03,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:35:03,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:35:03,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:35:03,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:35:03,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:35:03,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:35:03,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:35:03,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:35:03,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:35:03,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:35:03,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:35:03,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:35:03,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:35:03,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:35:03,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:35:03,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:35:03,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:35:03,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:35:03,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:35:03,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:35:03,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:35:03,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:35:03,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:35:03,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:35:03,362 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:35:03,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:35:03,363 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:35:03,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:35:03,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:35:03,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:35:03,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:35:03,364 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:35:03,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:35:03,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:35:03,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:35:03,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:35:03,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:35:03,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:35:03,366 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:35:03,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:35:03,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:35:03,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:35:03,367 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:35:03,367 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:35:03,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:35:03,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:03,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:35:03,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:35:03,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:35:03,369 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:35:03,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:35:03,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:35:03,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bad4bd14ff0d6303c86b61698001b4d4d1f47b3200dad5c7d05f11b8899f8627 [2021-11-23 15:35:03,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:35:03,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:35:03,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:35:03,760 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:35:03,761 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:35:03,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.03.cil-1.c [2021-11-23 15:35:03,875 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/data/be9eb7157/0c62e12c219240839d091e7bb161afe0/FLAG510d03011 [2021-11-23 15:35:04,450 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:35:04,451 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.03.cil-1.c [2021-11-23 15:35:04,470 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/data/be9eb7157/0c62e12c219240839d091e7bb161afe0/FLAG510d03011 [2021-11-23 15:35:04,753 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/data/be9eb7157/0c62e12c219240839d091e7bb161afe0 [2021-11-23 15:35:04,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:35:04,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:35:04,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:04,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:35:04,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:35:04,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:04" (1/1) ... [2021-11-23 15:35:04,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f13dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:04, skipping insertion in model container [2021-11-23 15:35:04,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:04" (1/1) ... [2021-11-23 15:35:04,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:35:04,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:35:05,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.03.cil-1.c[911,924] [2021-11-23 15:35:05,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.03.cil-1.c[8416,8429] [2021-11-23 15:35:05,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:05,318 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:35:05,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.03.cil-1.c[911,924] [2021-11-23 15:35:05,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.03.cil-1.c[8416,8429] [2021-11-23 15:35:05,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:05,453 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:35:05,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05 WrapperNode [2021-11-23 15:35:05,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:05,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:05,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:35:05,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:35:05,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,525 INFO L137 Inliner]: procedures = 61, calls = 71, calls flagged for inlining = 29, calls inlined = 29, statements flattened = 561 [2021-11-23 15:35:05,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:05,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:35:05,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:35:05,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:35:05,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:35:05,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:35:05,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:35:05,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:35:05,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:05,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:35:05,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:35:05,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:35:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:35:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:35:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:35:05,730 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:35:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:35:05,730 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:35:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:35:05,731 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:35:05,731 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:35:05,731 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:35:05,731 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:35:05,731 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:35:05,732 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:35:05,732 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:35:05,732 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:35:05,732 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:35:05,732 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:35:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:35:05,733 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:35:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:35:05,733 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:35:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:35:05,733 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:35:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:35:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:35:05,734 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:35:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:35:05,734 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:35:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:35:05,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:35:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:35:05,735 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:35:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:35:05,736 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:35:05,862 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:35:05,864 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:35:06,710 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1 == ~q_free~0); [2021-11-23 15:35:06,711 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:35:06,795 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:35:06,871 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:35:06,878 INFO L158 Benchmark]: Toolchain (without parser) took 2116.26ms. Allocated memory is still 123.7MB. Free memory was 84.8MB in the beginning and 54.8MB in the end (delta: 29.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-11-23 15:35:06,879 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 123.7MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:35:06,881 INFO L158 Benchmark]: CACSL2BoogieTranslator took 690.66ms. Allocated memory is still 123.7MB. Free memory was 84.6MB in the beginning and 92.2MB in the end (delta: -7.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:35:06,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.81ms. Allocated memory is still 123.7MB. Free memory was 92.2MB in the beginning and 89.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:35:06,886 INFO L158 Benchmark]: Boogie Preprocessor took 59.19ms. Allocated memory is still 123.7MB. Free memory was 89.0MB in the beginning and 86.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:35:06,888 INFO L158 Benchmark]: RCFGBuilder took 1288.28ms. Allocated memory is still 123.7MB. Free memory was 86.3MB in the beginning and 54.8MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-23 15:35:06,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 123.7MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 690.66ms. Allocated memory is still 123.7MB. Free memory was 84.6MB in the beginning and 92.2MB in the end (delta: -7.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.81ms. Allocated memory is still 123.7MB. Free memory was 92.2MB in the beginning and 89.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.19ms. Allocated memory is still 123.7MB. Free memory was 89.0MB in the beginning and 86.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1288.28ms. Allocated memory is still 123.7MB. Free memory was 86.3MB in the beginning and 54.8MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:35:06,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.03.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bad4bd14ff0d6303c86b61698001b4d4d1f47b3200dad5c7d05f11b8899f8627 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:35:10,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:35:10,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:35:10,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:35:10,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:35:10,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:35:10,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:35:10,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:35:10,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:35:10,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:35:10,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:35:10,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:35:10,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:35:10,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:35:10,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:35:10,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:35:10,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:35:10,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:35:10,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:35:10,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:35:10,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:35:10,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:35:10,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:35:10,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:35:10,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:35:10,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:35:10,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:35:10,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:35:10,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:35:10,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:35:10,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:35:10,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:35:10,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:35:10,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:35:10,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:35:10,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:35:10,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:35:10,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:35:10,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:35:10,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:35:10,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:35:10,240 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:35:10,298 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:35:10,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:35:10,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:35:10,301 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:35:10,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:35:10,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:35:10,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:35:10,304 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:35:10,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:35:10,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:35:10,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:35:10,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:35:10,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:35:10,307 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:35:10,308 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:35:10,308 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:35:10,308 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:35:10,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:35:10,309 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:35:10,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:35:10,310 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:35:10,310 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:35:10,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:35:10,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:10,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:35:10,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:35:10,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:35:10,312 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:35:10,312 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:35:10,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:35:10,313 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:35:10,313 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:35:10,314 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bad4bd14ff0d6303c86b61698001b4d4d1f47b3200dad5c7d05f11b8899f8627 [2021-11-23 15:35:10,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:35:10,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:35:10,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:35:10,845 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:35:10,846 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:35:10,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.03.cil-1.c [2021-11-23 15:35:10,938 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/data/3a8d44195/7d575b5fca0f4088b1ca8748771fc38a/FLAG965df933f [2021-11-23 15:35:11,638 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:35:11,638 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.03.cil-1.c [2021-11-23 15:35:11,663 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/data/3a8d44195/7d575b5fca0f4088b1ca8748771fc38a/FLAG965df933f [2021-11-23 15:35:11,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/data/3a8d44195/7d575b5fca0f4088b1ca8748771fc38a [2021-11-23 15:35:11,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:35:11,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:35:11,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:11,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:35:11,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:35:11,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:11" (1/1) ... [2021-11-23 15:35:11,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b374b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:11, skipping insertion in model container [2021-11-23 15:35:11,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:11" (1/1) ... [2021-11-23 15:35:11,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:35:11,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:35:12,212 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.03.cil-1.c[911,924] [2021-11-23 15:35:12,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.03.cil-1.c[8416,8429] [2021-11-23 15:35:12,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:12,441 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:35:12,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.03.cil-1.c[911,924] [2021-11-23 15:35:12,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.03.cil-1.c[8416,8429] [2021-11-23 15:35:12,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:12,620 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:35:12,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:12 WrapperNode [2021-11-23 15:35:12,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:12,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:12,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:35:12,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:35:12,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:12" (1/1) ... [2021-11-23 15:35:12,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:12" (1/1) ... [2021-11-23 15:35:12,731 INFO L137 Inliner]: procedures = 62, calls = 71, calls flagged for inlining = 29, calls inlined = 29, statements flattened = 538 [2021-11-23 15:35:12,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:12,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:35:12,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:35:12,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:35:12,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:12" (1/1) ... [2021-11-23 15:35:12,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:12" (1/1) ... [2021-11-23 15:35:12,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:12" (1/1) ... [2021-11-23 15:35:12,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:12" (1/1) ... [2021-11-23 15:35:12,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:12" (1/1) ... [2021-11-23 15:35:12,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:12" (1/1) ... [2021-11-23 15:35:12,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:12" (1/1) ... [2021-11-23 15:35:12,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:35:12,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:35:12,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:35:12,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:35:12,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:12" (1/1) ... [2021-11-23 15:35:12,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:12,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:35:12,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:35:12,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:35:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:35:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:35:12,935 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:35:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:35:12,936 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:35:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:35:12,936 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:35:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:35:12,937 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:35:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:35:12,937 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:35:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:35:12,938 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:35:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:35:12,938 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:35:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:35:12,938 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:35:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:35:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:35:12,939 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:35:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:35:12,940 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:35:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:35:12,940 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:35:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:35:12,941 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:35:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:35:12,941 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:35:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:35:12,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:35:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:35:12,942 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:35:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:35:12,942 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:35:13,085 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:35:13,088 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:35:13,774 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1bv32 == ~q_free~0); [2021-11-23 15:35:13,775 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1bv32 == ~q_free~0;~c_dr_st~0 := 2bv32;~c_dr_pc~0 := 2bv32;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:35:13,836 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:35:13,880 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:35:13,885 INFO L158 Benchmark]: Toolchain (without parser) took 2004.58ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 44.1MB in the beginning and 53.9MB in the end (delta: -9.8MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-11-23 15:35:13,886 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 57.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:35:13,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 739.80ms. Allocated memory is still 62.9MB. Free memory was 43.8MB in the beginning and 41.0MB in the end (delta: 2.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:35:13,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.03ms. Allocated memory is still 62.9MB. Free memory was 41.0MB in the beginning and 37.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:35:13,889 INFO L158 Benchmark]: Boogie Preprocessor took 97.26ms. Allocated memory is still 62.9MB. Free memory was 37.9MB in the beginning and 35.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:35:13,890 INFO L158 Benchmark]: RCFGBuilder took 1052.06ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 34.8MB in the beginning and 53.9MB in the end (delta: -19.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-11-23 15:35:13,895 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 57.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 739.80ms. Allocated memory is still 62.9MB. Free memory was 43.8MB in the beginning and 41.0MB in the end (delta: 2.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.03ms. Allocated memory is still 62.9MB. Free memory was 41.0MB in the beginning and 37.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.26ms. Allocated memory is still 62.9MB. Free memory was 37.9MB in the beginning and 35.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1052.06ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 34.8MB in the beginning and 53.9MB in the end (delta: -19.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:35:13,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6458bdb3-a1e7-4b5d-ba52-f708214670cc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable